MAINT-3107 speculative changes to try to ameliorate rigged crasher on Intel HD with crappy default driver

1 files changed, 5 insertions, 3 deletions

diff --git a/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl b/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
index bc63d07d72..3df4d333ce 100755
--- a/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
+++ b/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
@@ -31,10 +31,12 @@ uniform vec4 matrixPalette[45];
 mat4 getSkinnedTransform()
 {
 	mat4 ret;
-	int i = int(floor(weight.x));
+	
 	float x = fract(weight.x);
-		
-	ret[0] = mix(matrixPalette[i+0], matrixPalette[i+1], x);
+	int i = int(floor(weight.x));
+		i = min(i, 15);
+		i = max(i, 0);
+	ret[0] = mix(matrixPalette[i+0], matrixPalette[i+1],  x);
 	ret[1] = mix(matrixPalette[i+15],matrixPalette[i+16], x);
 	ret[2] = mix(matrixPalette[i+30],matrixPalette[i+31], x);
 	ret[3] = vec4(0,0,0,1);